Codd, Clara M. Theosophy as the Masters See It – Being an Account of the Theosophical Society and Its Work as Outlined in the "Letters from the Masters of the Wisdom. Adyar, Madras, India: Theosophical Publishing House, 1953. 369 pages.

Conger, Margaret. Combined Chronology for use with The Mahatma Letters to A. P. Sinnett and The Letters of H. P. Blavatsky to A. P. Sinnett, Pasadena, CA: Theosophical University Press, 1973.

Mills, Joy. Reflections on an Ageless Wisdom: A Commentary on the Mahatma Letters to A. P. Sinnett.. Wheaton, Illinois: Theosophical Publishing House, 2010. Based on her own notes and that of Virginia Hanson, this volume offers thoughtful commentary on each of the letters to A. P. Sinnett.

Articles

Video

Audio

Hanson, Virginia. An Introduction to The Mahatma Letters.Wheaton, IL: Theosophical Society in America, 1984, 2007. These eight CDs of commentary by Virginia Hanson and George Linton are available through Quest Books website and Henry S. Olcott Memorial Library.